Body Height Pen Tool 1/10th

Nobody likes checking in for their first race with a new shell only to hear the dreaded tic-tic-tic around every corner because their body is rubbing the carpet. Thankfully you don't have to. Use this convenient block with an ultra-fine tip Sharpie to make SURE before you hit the track that you'll have the clearance you want all the way around your body evenly. The blocks hole is located eccentrically allowing you to choose from an 8, 9, 10, or 11 mm tall line.